package one;

public class MyThread1 extends Thread {

	@Override
	public void run() {
		long beginTime = System.currentTimeMillis();
		int count=0;
		for (int i = 0; i <50000000; i++) {
			//Thread.yield();
			count = count+(i+1);
		}
		long endTime = System.currentTimeMillis();
		System.out.println("用时："+(endTime-beginTime)+"毫秒！");
	}
	
	
	
}
